Federal Premium Hydra-Shok has proven itself for self-defense since 1989. Hydra-Shok Deep builds off the time-tested platform with design improvements that better meet modern performance measurements. The bullet features a more robust center post and a core design that penetrate to optimal depths through the barriers most commonly encountered in self-defense situations.
 

Hits optimum penetration depths through barriers encountered in self-defense situations

Iconic center post design has been improved for better, more consistent expansion

Specially formulated propellant

Extremely reliable primer

First expanding 380 Auto to consistently penetrate beyond FBI-recommended 12-inch minimum in bare gel and through heavy clothing